Grafting method of Magnolia wufengensis

A technology of safflower magnolia and magnolia, applied in the directions of grafting, botanical equipment and methods, horticulture, etc., can solve the problems of low survival rate, easy cutting to the pith, less cambium butt surface, etc., to overcome the low survival rate, Vigorous and efficient reproduction effect

Active Publication Date: 2015-11-04
BEIJING FORESTRY UNIVERSITY +2
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Problems solved by technology

Because the pith of safflower magnolia seedlings accounts for a relatively large proportion and the xylem is relatively thin, when using the abdominal grafting method, if the...

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  • Grafting method of Magnolia wufengensis

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Embodiment Construction

[0030] The following will be described in conjunction with specific embodiments. This embodiment describes the principles and features of the present invention, and the examples are only used to explain the present invention, not to limit the scope of the present invention.

[0031] The inventor has used means such as enlarging cambium docking surface, scion fresh-keeping in conjunction with many years of safflower magnolia to improve the grafting survival rate of safflower magnolia: on the one hand because the proportion of safflower magnolia seedling pith is relatively large, xylem is relatively thin, cutting rootstock Break the traditional slightly oblique cut, but cut it longitudinally into a long section; on the other hand, wrap the cut with a damp cotton towel, spray a small amount of water, and wrap it with plastic wrap to ensure that the scion has sufficient water and vitality. The scion is slid to grow into a horse-eared cut surface, and the cambium is more exposed, w...

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Abstract

The invention discloses a grafting method of Magnolia wufengensis. A Magnolia denudate nursery-grown plant is taken as a rootstock, a current-growth branch of the Magnolia wufengensis is taken as a scion, and when the branch has a lignifying tendency in autumn, grafting can be started. The grafting method has the following steps: cutting an angular cut reaching xylem closely at the inner side of a phloem portion, then, performing longitudinal vertical sliding cutting downwards from right above the angular cut to the angular cut so as to cut a flat and smooth long tangent plane and ensure that the exposition position of the long tangent plane is mainly disposed on a cambium layer; performing sliding peeling downwards at the opposite side of a scion axillary bud to form a flat and smooth long-horse-ear-shaped tangent plane, wherein the tangent plane bridges over the diameter of the whole branch, a heart center is seen below the middle of the long-horse-ear-shaped tangent plane, and the axillary bud is sheared at a position 0.8 to 1cm away from the upper portion of the axillary bud; and carrying out scion colligation. According to the grafting method provided by the invention, the grafting butt joint surface is enlarged, the more callus a wound generates, healing can be speeded up, through such a means, the technical difficulty of rapid breeding of the Magnolia denudate is solved, and the technical defect is detected that the survival rate by use of a conventional Magnolia denudate grating method is low.

Description

technical field [0001] The invention belongs to the field of nursery stock propagation, and relates to a plant grafting method, in particular to a safflower magnolia grafting method. Background technique [0002] Safflower Magnolia ( Magnolia wufengensis ) is a new species of Magnoliaceae discovered by Professor Ma Lvyi of Beijing Forestry University and others in Wufeng, Hubei in 2004 when they investigated the resources of Magnoliaceae. In the previous official records, there were only white, purple and single-sided light red varieties of magnolia. It was the first time in China to find a magnolia that was completely red inside and outside, and it was unique to Wufeng. [0003] Magnolia safflower has extremely rich flower morphological variation characteristics, and the flower color types have different expressions of deep red, red and light red; the number of perianth segments ranges from 9 to 46 petals; the shape of perianth segments is broad and obovate Spoon-shaped, ...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 马履一桑子阳陈发菊王罗荣贾忠奎段劼朱仲龙肖爱华
Owner BEIJING FORESTRY UNIVERSITY
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